All the materials that were not used, partially used or not, but are no longer needed for the study, including expired clinical trials must be disposed of properly in accordance with the legal requirements of the state. Our company provides a specially designated and controlled area is not accessible to unauthorized persons. The materials are recorded and stored in a special section, while the method of their disposal is not agreed with the manufacturer. After the destruction of the materials studied are records that clearly identified the name of the product, the way of destruction, batch number, expiry date. Extensive experience has allowed our company to agree on almost all the conditions of utilization of certain medications that will significantly reduce paperwork, and increase the rate of destruction of the materials.